関連ワード:
what molecules is the cell membrane made out of what molecules is the cell membrane made up of what two molecules is the cell membrane made up of what molecule is the cell membrane primarily made up of what molecules is the cell membrane made of what type of molecule is the cell membrane made up of what molecule is a majority of the cell membrane made up of what molecules is the cell membrane composed of what type of molecule is the cell membrane mostly made up of what 4 molecules is the cell membrane made of
